On Wed, 4 Feb 2009 04:33:18 -0800 (PST) someone who may be RobertL
wrote this:-
Such a loop, with a tap in it set to 'trickle'
It should be set so that the manufacturer's specified minimum flow
rate through the boiler is maintained under all conditions.
We still haven't heard whether there are any TRVs in the heating
system.
--
David Hansen, Edinburgh
I will *always* explain revoked encryption keys, unless RIP prevents me
http://www.opsi.gov.uk/acts/acts2000/00023--e.htm#54